Examine the two structures of the anilinium ion and identify the correct statement from the options given below.

• A
  $II$ is not an acceptable canonical structure because a carbonium ion is less stable than an ammonium ion.
• B
  $II$ is not an acceptable canonical structure because it is non-aromatic.
• C
  $II$ is not an acceptable canonical structure because nitrogen has ten valence electrons.
• D
  Both $(a)$ and $(c)$